.mui-bar-nav{
    height:0.92rem;
    border:none;
    background: #F2F2F2;
    box-shadow:0;
}
body{
    background: #F2F2F2;
}
.yijian{
    box-sizing: border-box;
    margin-top:0.92rem;
    text-align: center;
    padding:0.22rem 0.22rem 0 0.22rem;
}
textarea{
    height:7.52rem;
    padding:0.28rem 0 0 0.22rem;
    color:#B6B6B6;
    font-size:0.26rem;
}
.yijian input{
    background:#F88B00;
    margin-top:1.2rem;
    border-bottom:none;
    border-radius:0.06rem;
    color:#fff;
    font-size:0.28rem;
    outline: none;
    font-size:0.26rem;
    width:6.44rem;
    height:0.84rem;
    margin-top:1.2rem;
    border:0;
    border-bottom:1px solid #ccc;
}